ACEIRMC 2pcs BMS 5S 21V 18650 Li-ion Lithium Battery Protection Circuit Charging Board Module PCM Polymer Lipo Cell PCB -5S BMS 25A 21V-

for Li-POLYMER  LiMnO Protect Parameter Single Cell overcharge protect voltage:  4.23 - 4.28V   Single Cell overcharge rotect recover voltage:  4.08 - 4.18   overcharge protect delay:  0.5 - 1.5S   Single Cell over-discharge protect voltage:   2.72 - 2.88V   Single Cell over-discharge rotect recover voltage:   2.9 - 3.1V  overcharge protect current:  60A   over-discharge protect current: 60A  over-discharge protectdelay: 0.5 - 1.5S temperature protect: YES disconnect protect: YES shortage protect: YES shortage delay: 100 - 600?S shortage protect recover: YES Charging current:  25A discharging current: 25A charging voltage : 12.6V for 3S , 16.8V for 4S, 21V for 5S BMS board Package inlcuded: 2x 4S 30A lithium Battery Protection Board